html, body {
    width: 100%;
    height: 100%;
    height: 100vh;
}

.index-cover {
    background: #000;
    opacity: 0.25;
}

.header-back.icon-back {
    background: #fff url(../../images/icon-back.png) no-repeat;
    background-size: 10px;
    background-position: 15px 50%;
    border-radius: 0 49px 49px 0;
    box-shadow: 0px 0px 8px 3px rgba(134, 133, 137, 0.2);
}

.header-back.icon-back.header-top {
    background: url(../../images/icon-back-2.png) no-repeat;
    background-size: 10px;
    background-position: 15px 50%;
    box-shadow: unset;
}

.page-body {
    padding-bottom: 0;
    width: 100%;
    height: 100vh;
    height: 100%;
    background: #fff;
}

.swiper-wrap {
    width: 100%;
    height: 100%;
}

.swiper-text {
    position: absolute;
    left: 0;
    top: 10%;
    width: 100%;
    height: 80%;
}

.swiper-text .swiper-slide {
    padding: 0 40px;
    height: auto;
}

.swiper-forest .swiper-slide {
    padding: 0 15px;
    height: auto;
}

@-webkit-keyframes start {
    0%,30% {
        opacity: 0;
        -webkit-transform: translateY(10px)
    }

    60% {
        opacity: 1;
        -webkit-transform: translate(0)
    }

    to {
        opacity: 0;
        -webkit-transform: translateY(-8px)
    }
}

@keyframes start {
    0%,30% {
        opacity: 0;
        transform: translateY(10px)
    }

    60% {
        opacity: 1;
        transform: translate(0)
    }

    to {
        opacity: 0;
        transform: translateY(-8px)
    }
}

.h-arrow-bottom {
    position: absolute;
    bottom: 3%;
    left: 50%;
    width: 24.5px;
    height: 23px;
    margin-left: -12px;
    z-index: 150;
}

.pre-wrap-bottom {
    width: 24.5px;
    height: 23px;
    background: url(../../images/icon-up-tip.png) no-repeat center;
    background-size: 100%;
    -webkit-animation: start 1.5s infinite ease-in-out;
    animation: start 1.5s infinite ease-in-out;
}

.swiper-forest {
    width: 100%;
    height: 100%;
}

.video-wrap {
    margin: 0 -15px;
}

.video-wrap video {
    width: 100%;
    height: 100%;
}

.forest-tag-wrap {
    display: -webkit-flex;
    display: flex;
    margin-top: 20px;
    margin-right: -7.5px;
    height: 70px;
    flex-wrap: wrap;
    overflow: hidden;
}

.forest-tag-wrap.open {
    height: auto;
}

.forest-tag-item {
    padding: 0 7.5px 7.5px 0;
    width: 20%;
    height: 37.5px;
}

.forest-tag-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: 100%;
    border: 1px solid #ececec;
    border-radius: 3px;
}

.forest-tag-item.active .forest-tag-btn {
    border: 1px solid #009944;
    color: #fff;
    background: #009944;
}

.forest-tag {
    /*line-height: 2;*/
    text-align: center;
    font-size: 14px;
}

.forest-list {
    padding: 0 0 15px;
}

.forest-item {
    display: block;
}

.forest-wrap {
    width: 100%;
    height: 150px;
}

.forest-desc {
    margin: 15px 0;
}

.header-back.icon-back.header-top.active.show {
    background-color: rgba(0,0,0,0.35);
}